/* ===== SystemPlus Solar — Brand Variables ===== */
:root{
  --navy:#0B3257;
  --navy-dark:#081F3D;
  --orange:#F5821F;
  --yellow:#FBA336;
  --bg:#FFFFFF;
  --bg-soft:#F5F7FA;
  --text:#1A1A1A;
  --text-light:#5A6472;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 4px 18px rgba(11,46,89,0.05);
  --shadow-sm:0 2px 10px rgba(11,46,89,0.04);
  --ease:cubic-bezier(.22,1,.36,1);
  --font-th:'Noto Sans Thai', sans-serif;
  --font-en:'Inter', sans-serif;
  --font-head:'Space Grotesk', 'IBM Plex Sans Thai', 'Noto Sans Thai', sans-serif;

  /* Type scale — standardized font sizes, all sections share these */
  --fs-h1:clamp(32px,5.4vw,58px);
  --fs-h1-alt:clamp(30px,4.6vw,50px);
  --fs-h2:clamp(26px,3.2vw,38px);
  --fs-h3:clamp(19px,2.2vw,24px);
  --fs-h4:17px;
  --fs-lg:17px;
  --fs-base:15.5px;
  --fs-sm:14px;
  --fs-xs:12.5px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-th), var(--font-en);
  font-weight:400;
  font-size:var(--fs-base);
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{text-decoration:none; color:inherit;}
ul{list-style:none;}
.container{width:100%; max-width:1280px; margin:0 auto; padding:0 24px;}

h1,h2,h3,h4{
  font-family:var(--font-head), var(--font-th), var(--font-en);
  color:var(--navy); line-height:1.18; letter-spacing:-.5px;
}
h1{font-weight:700; letter-spacing:-1.2px; line-height:1.08; font-size:var(--fs-h1);}
h2{font-weight:700; letter-spacing:-.6px; font-size:var(--fs-h2); line-height:1.22;}
h3{font-weight:600; letter-spacing:-.3px; font-size:var(--fs-h3); line-height:1.32;}
h4{font-weight:600; letter-spacing:-.2px; line-height:1.35; font-size:var(--fs-h4);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:15px 30px; border-radius:50px; font-weight:700; font-size:15px;
  letter-spacing:.2px;
  border:2px solid transparent; cursor:pointer; transition:transform .35s var(--ease), box-shadow .35s var(--ease), background-color .3s ease, border-color .3s ease, color .3s ease; white-space:nowrap;
}
.btn-accent{background:var(--orange); color:#fff; border-color:var(--orange); box-shadow:0 8px 20px rgba(11,50,87,.18);}
.btn-accent:hover{background:#DD7415; border-color:#DD7415; box-shadow:0 12px 28px rgba(11,50,87,.26); transform:translateY(-2px);}
.btn-outline{background:transparent; border-color:#fff; color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.15); border-color:rgba(255,255,255,.85); transform:translateY(-2px);}
.btn-outline-navy{background:transparent; border-color:var(--navy); color:var(--navy);}
.btn-outline-navy:hover{background:var(--navy); color:#fff; transform:translateY(-2px);}
.btn-lg{padding:17.6px 34px; font-size:16px;}

/* ===== Section helpers ===== */
.section{padding:100px 0;}
.section-alt{background:var(--bg-soft);}
#about, #services{position:relative; overflow:hidden;}
#about::before, #services::before{
  content:""; position:absolute; top:-120px; right:-120px; width:420px; height:420px;
  background:radial-gradient(circle, rgba(245,130,31,.12), transparent 70%);
  filter:blur(10px); pointer-events:none; z-index:0;
}
#about .container, #services .container{position:relative; z-index:1;}
#services, #portfolio{padding:120px 0;}
.section-dark{padding:100px 0; background:var(--navy); color:#fff;}
.section-head{max-width:720px; margin:0 auto 56px; text-align:center;}
.section-head p{color:var(--text-light); margin-top:16px; font-size:var(--fs-lg); line-height:1.7;}
.section-head.light h2, .section-head.light .section-kicker{color:#fff;}
.section-head.light .eyebrow-en{color:var(--yellow);}
.section-head.light p{color:rgba(255,255,255,.75);}
.eyebrow-en{
  display:block; font-family:var(--font-en); font-size:var(--fs-xs); font-weight:600;
  letter-spacing:3px; text-transform:uppercase; color:var(--text-light); margin-bottom:8px;
}
.section-kicker{
  display:inline-block; font-size:var(--fs-xs); font-weight:800; letter-spacing:1.6px;
  text-transform:uppercase; color:var(--orange); margin-bottom:14px;
}
.btn-en{font-size:var(--fs-xs); font-weight:500; opacity:.85; margin-left:4px; letter-spacing:.2px;}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
.card{background:#fff; border-radius:var(--radius-lg); padding:32px 28px; box-shadow:var(--shadow); transition:transform .35s var(--ease), box-shadow .35s var(--ease);}
.card:hover, .portfolio-card:hover, .benefit-item:hover, .client-card:hover, .contact-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 40px rgba(11,46,89,.12);
}
.service-block-media img, .service-block-media video{transition:transform .5s var(--ease);}
.service-block-media:hover img, .service-block-media:hover video{transform:scale(1.03);}
.icon-line{width:52px; height:52px; border-radius:14px; background:rgba(245,130,31,.1); border:1px solid rgba(245,130,31,.3); color:var(--orange); display:flex; align-items:center; justify-content:center; margin-bottom:18px;}

/* ===== Top ticker (aerospace-style scrolling strip, real site content only) ===== */
.top-ticker{background:var(--navy-dark); overflow:hidden; border-bottom:1px solid rgba(255,255,255,.08);}
.top-ticker-track{
  display:flex; align-items:center; gap:14px; width:max-content;
  padding:7px 0; font-family:'IBM Plex Mono', monospace; font-size:12px; font-weight:500;
  letter-spacing:.3px; color:rgba(255,255,255,.72); white-space:nowrap;
  animation:marquee-scroll 42s linear infinite;
}
.top-ticker-track .accent{color:var(--orange); font-weight:600;}
.top-ticker-track .dot{color:var(--orange); opacity:.6;}
@media (max-width:640px){ .top-ticker{display:none;} }

/* ===== Topbar ===== */
.topbar{background:var(--navy-dark); color:#fff;}
.topbar-inner{display:flex; align-items:center; gap:24px; height:38px; font-size:var(--fs-xs); font-weight:600;}
.topbar-item{display:flex; align-items:center; gap:6px; color:rgba(255,255,255,.85);}
.topbar-item:hover{color:#fff;}
.topbar-line{margin-left:auto; color:var(--yellow);}

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:100; background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  box-shadow:0 2px 16px rgba(11,46,89,.08);
  transition:background .3s, box-shadow .3s;
  /* Pull the hero section up to sit directly under the header so the
     transparent/unscrolled state actually overlaps the dark hero photo —
     without this, "transparent" just reveals the plain white page
     background and white nav text/logo/button become invisible. */
  margin-bottom:-76px;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(11,46,89,.12);}
/* Transparent over the hero until the user scrolls, aerospace-nav style */
.site-header:not(.scrolled){background:transparent; backdrop-filter:none; -webkit-backdrop-filter:none; box-shadow:none;}
.site-header:not(.scrolled) .main-nav a{color:#fff;}
.site-header:not(.scrolled) .main-nav a:hover{color:var(--yellow);}
.site-header:not(.scrolled) .nav-shop{color:var(--yellow) !important;}
.site-header:not(.scrolled) .hamburger span{background:#fff;}
.site-header:not(.scrolled) .brand-logo{filter:brightness(0) invert(1);}
.site-header:not(.scrolled) .btn-outline-navy{border-color:#fff; color:#fff;}
.site-header:not(.scrolled) .btn-outline-navy:hover{background:#fff; color:var(--navy);}
.header-inner{display:flex; align-items:center; justify-content:space-between; height:76px; gap:16px;}
.brand-logo{height:46px; width:auto; transition:filter .3s;}
.main-nav{display:flex; gap:28px;}
.main-nav a{font-weight:600; font-size:var(--fs-base); color:var(--navy); position:relative; padding:4px 0; transition:color .3s;}
.main-nav a:hover{color:var(--orange);}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-4px; width:100%; height:2px;
  background:var(--orange); transform:scaleX(0); transform-origin:left;
  transition:transform .3s var(--ease);
}
.main-nav a:hover::after{transform:scaleX(1);}
.header-actions{display:flex; align-items:center; gap:14px;}
.hamburger{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;}
.hamburger span{width:26px; height:3px; background:var(--navy); border-radius:3px; transition:background .3s;}
.nav-shop{color:var(--orange) !important; transition:color .3s;}

/* ===== Hero ===== */
.hero{position:relative; overflow:hidden; color:#fff;}
.hero-bg{position:absolute; inset:0; z-index:0;}
.hero-bg-img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; min-height:640px;
  opacity:0; transition:opacity 1.4s ease;
}
.hero-bg-img.is-active{opacity:1;}
.hero-overlay{position:absolute; inset:0; z-index:1; background:linear-gradient(120deg, rgba(8,31,61,.92) 0%, rgba(11,50,87,.78) 48%, rgba(11,50,87,.42) 100%);}
.hero-hud{position:absolute; top:0; right:0; z-index:1; width:340px; height:340px; pointer-events:none;}
@media (max-width:1100px){ .hero-hud{display:none;} }
.hero-inner{position:relative; z-index:2; padding:120px 0 72px;}
.hero-text{max-width:660px;}
.eyebrow{display:inline-block; font-size:var(--fs-xs); font-weight:800; letter-spacing:1.4px; text-transform:uppercase; color:var(--yellow); background:rgba(255,255,255,.1); padding:8px 18px; border-radius:50px; margin-bottom:22px;}
.hero h1{color:#fff; margin-bottom:22px; font-weight:800;}
@media (min-width:1100px){ .hero h1{font-size:clamp(50px,5.6vw,68px); line-height:1.06;} }
.hero-highlight{background:var(--orange); color:#fff; padding:2px 10px; border-radius:6px; box-decoration-break:clone; -webkit-box-decoration-break:clone;}
.accent-text{color:var(--yellow);}
.hero-sub{font-size:var(--fs-lg); color:rgba(255,255,255,.88); max-width:560px; margin-bottom:34px;}
.hero-cta{display:flex; flex-wrap:wrap; gap:16px;}

.marquee-wrap{position:relative; z-index:2; background:rgba(8,31,61,.55); backdrop-filter:blur(6px); padding:22px 0 26px; border-top:1px solid rgba(255,255,255,.12);}
.marquee-label{text-align:center; font-size:var(--fs-xs); font-weight:700; letter-spacing:1px; color:rgba(255,255,255,.7); margin-bottom:16px; text-transform:uppercase;}
.marquee{overflow:hidden; width:100%; mask-image:linear-gradient(90deg, transparent, #fff 8%, #fff 92%, transparent);}
.marquee-track{display:flex; align-items:center; gap:52px; width:max-content; animation:marquee-scroll 32s linear infinite;}
.marquee-track img{height:56px; width:auto; max-width:160px; object-fit:contain; border-radius:6px; background:#fff; padding:4px 10px;}
@keyframes marquee-scroll{from{transform:translateX(0);} to{transform:translateX(-50%);}}

/* ===== About ===== */
.about-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:64px; align-items:center;}
.about-image img{border-radius:var(--radius-lg); box-shadow:var(--shadow);}
.about-content p{color:var(--text-light); margin-bottom:16px;}
.about-lead{color:var(--navy) !important; font-weight:600; font-size:var(--fs-lg);}
.coverage-pills{display:flex; flex-wrap:wrap; gap:10px; margin-top:20px;}
.coverage-pill{background:var(--bg-soft); color:var(--navy); font-weight:700; font-size:var(--fs-xs); padding:8px 16px; border-radius:50px; border:1px solid rgba(11,46,89,.08);}

/* ===== Highlights ===== */
.highlights-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:64px; align-items:center;}
.highlights-image img{border-radius:var(--radius-lg); box-shadow:var(--shadow);}
.highlight-points{margin-top:28px; display:flex; flex-direction:column; gap:26px;}
.highlight-point{display:flex; gap:18px; align-items:flex-start;}
.highlight-icon{width:48px; height:48px; object-fit:contain; flex-shrink:0; padding:12px; border-radius:14px; background:rgba(245,130,31,.1); border:1px solid rgba(245,130,31,.3); box-sizing:content-box;}
.highlight-point p{color:var(--text-light); margin-top:4px;}

/* ===== Services zigzag ===== */
.service-block{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; margin-bottom:76px;}
.service-block:last-child{margin-bottom:0;}
.service-block.reverse{direction:rtl;}
.service-block.reverse > *{direction:ltr;}
.service-block-media img{border-radius:var(--radius-lg); box-shadow:var(--shadow); aspect-ratio:4/3; object-fit:cover; width:100%;}
.service-block-media video{border-radius:var(--radius-lg); box-shadow:var(--shadow); aspect-ratio:4/3; object-fit:cover; width:100%; display:block; background:#000;}
.service-block-media .extra-clip{margin-top:14px; max-height:200px; aspect-ratio:auto;}
.service-block-media .extra-clip-caption{font-size:var(--fs-xs); color:var(--text-light); margin-top:8px; text-align:center;}
.portfolio-card-img video{width:100%; height:100%; object-fit:cover; display:block; background:#000;}
.video-teaser{position:relative; display:block; overflow:hidden; box-shadow:var(--shadow); margin-top:32px; width:100vw; margin-left:calc(50% - 50vw); border-radius:0;}
@media (min-width:1024px){ .video-teaser{border-radius:var(--radius-lg);} }
.video-teaser img{width:100%; aspect-ratio:21/9; object-fit:cover; display:block;}
.video-teaser-play{position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px; background:rgba(8,31,61,.38); color:#fff; transition:background .2s;}
.video-teaser:hover .video-teaser-play{background:rgba(8,31,61,.55);}
.video-teaser-play-icon{width:64px; height:64px; border-radius:50%; background:#fff; color:var(--navy); display:flex; align-items:center; justify-content:center; font-size:24px; box-shadow:0 8px 20px rgba(0,0,0,.3);}
.video-teaser-play span{font-weight:700; font-size:var(--fs-base);}
.service-block-text p{color:var(--text-light); margin:12px 0 18px;}
.check-list{display:flex; flex-direction:column; gap:12px; margin-bottom:26px;}
.check-list li{position:relative; padding-left:30px; color:var(--text); font-size:var(--fs-base); line-height:1.55;}
.check-list li::before{content:""; position:absolute; left:0; top:3px; width:20px; height:20px; border-radius:50%; background:var(--orange); }
.check-list li::after{content:""; position:absolute; left:6px; top:7px; width:9px; height:5px; border-left:2px solid #fff; border-bottom:2px solid #fff; transform:rotate(-45deg);}

/* ===== Promo (hot / stand-out section) ===== */
.promo-section{
  background:linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding:90px 0; position:relative; overflow:hidden;
}
.promo-section::before{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(-45deg, rgba(255,255,255,.06) 0 18px, transparent 18px 36px);
  pointer-events:none;
}
.promo-section .section-head{position:relative; z-index:1;}
.promo-ribbon{
  display:inline-flex; align-items:center; gap:8px;
  background:#fff; color:#D8290F; font-weight:800; font-size:var(--fs-sm);
  letter-spacing:.5px; padding:9px 24px; border-radius:50px;
  margin-bottom:20px; box-shadow:0 8px 22px rgba(0,0,0,.2);
  animation:promoRibbonPulse 1.8s var(--ease) infinite;
}
.promo-title{
  color:#fff; font-size:var(--fs-h1-alt); letter-spacing:-1px;
  text-shadow:0 3px 14px rgba(0,0,0,.22);
}
.promo-box{
  position:relative; z-index:1;
  display:flex; align-items:center; gap:40px; background:#fff;
  border-radius:var(--radius-lg); overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
  border:1px solid rgba(255,255,255,.25);
}
.promo-img{width:42%; height:100%; object-fit:cover;}
.promo-text{padding:32px 36px;}
.promo-text h3{margin-bottom:22px; font-weight:600;}
.promo-cta{animation:promoCtaPulse 2.2s ease-in-out infinite;}
.promo-cta:hover{transform:scale(1.07) translateY(-2px);}
@keyframes promoRibbonPulse{0%,100%{transform:scale(1);}50%{transform:scale(1.06);}}
@keyframes promoCtaPulse{0%,100%{box-shadow:0 8px 20px rgba(11,50,87,.18);}50%{box-shadow:0 10px 30px rgba(216,41,15,.5);}}

/* ===== Portfolio ===== */
.portfolio-card{background:#fff; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow); transition:transform .35s var(--ease), box-shadow .35s var(--ease);}
.portfolio-card-img{position:relative; aspect-ratio:4/3; overflow:hidden;}
.portfolio-card-img img{width:100%; height:100%; object-fit:cover;}
.portfolio-type{position:absolute; top:14px; left:14px; background:rgba(8,31,61,.82); color:#fff; font-size:var(--fs-xs); font-weight:700; padding:6px 14px; border-radius:50px;}
.portfolio-card-body{padding:24px;}
.portfolio-card-body h3{margin-bottom:14px;}
.portfolio-stat{display:flex; flex-direction:column; background:var(--bg-soft); border-radius:12px; padding:14px 16px; margin-bottom:18px;}
.portfolio-stat strong{color:var(--orange); font-size:24px; font-family:var(--font-head);}
.portfolio-stat span{color:var(--text-light); font-size:var(--fs-xs); margin-top:2px;}
.portfolio-cta{text-align:center; margin-top:40px;}

/* ===== Benefits 6-grid ===== */
.benefit-grid-6{grid-template-columns:repeat(3,1fr);}
.benefit-item{background:#fff; border-radius:var(--radius-lg); padding:30px 26px; box-shadow:var(--shadow-sm); transition:transform .35s var(--ease), box-shadow .35s var(--ease);}
.benefit-item .icon-line{color:var(--navy); background:rgba(11,50,87,.08);}
.benefit-item h4{margin-bottom:8px;}
.benefit-item p{color:var(--text-light); font-size:var(--fs-sm);}

/* ===== Logo strip / brands ===== */
.logo-strip-label{text-align:center; font-size:var(--fs-xs); font-weight:700; letter-spacing:.5px; color:var(--text-light); text-transform:uppercase;}
.logo-grid{display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:36px; margin-top:24px;}
.logo-item img{height:40px; width:auto; max-width:120px; object-fit:contain; filter:grayscale(1); opacity:.75; transition:opacity .3s, filter .3s, transform .3s var(--ease);}
.logo-item img:hover{filter:none; opacity:1; transform:scale(1.06);}

/* ===== Client trust cards ===== */
.client-card{background:#fff; border-radius:var(--radius-lg); padding:26px; text-align:center; box-shadow:var(--shadow-sm); transition:transform .35s var(--ease), box-shadow .35s var(--ease);}
.client-card img{height:52px; width:auto; max-width:140px; object-fit:contain; margin:0 auto 16px; border-radius:6px;}
.client-card h4{margin-bottom:6px;}
.client-card p{color:var(--text-light); font-size:var(--fs-sm);}

/* ===== Calculator ===== */
.calc-box{display:grid; grid-template-columns:1fr 1fr; gap:40px; background:rgba(255,255,255,.06); border-radius:var(--radius-lg); padding:40px; margin-top:20px; align-items:center;}
.calc-form label{display:block; font-weight:700; margin-bottom:10px; color:#fff;}
.calc-input-wrap{display:flex; gap:12px; margin-bottom:14px;}
.calc-input-wrap input{flex:1; padding:14px 16px; border-radius:12px; border:none; font-size:16px; font-family:inherit;}
#billRange{width:100%; margin-bottom:10px;}
.calc-hint{color:rgba(255,255,255,.65); font-size:var(--fs-xs);}
.calc-results{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.calc-result-card{background:#fff; border-radius:12px; padding:16px; text-align:center;}
.calc-result-card span{display:block; font-size:var(--fs-xs); color:var(--text-light); margin-bottom:6px;}
.calc-result-card strong{font-size:20px; color:var(--navy); font-family:var(--font-head);}
.calc-disclaimer{margin-top:22px; text-align:center; font-size:var(--fs-xs); color:rgba(255,255,255,.55); max-width:720px; margin-left:auto; margin-right:auto;}

/* ===== FAQ accordion ===== */
.faq-list{max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:14px;}
.faq-item{background:#fff; border:1px solid rgba(11,46,89,.1); border-radius:14px; overflow:hidden; transition:border-color .25s, box-shadow .25s;}
.faq-item:hover{border-color:rgba(245,130,31,.35); box-shadow:var(--shadow-sm);}
.faq-question{width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px; background:none; border:none; cursor:pointer; padding:20px 22px; text-align:left; font-weight:700; font-size:var(--fs-base); color:var(--navy); font-family:inherit;}
.faq-icon{flex-shrink:0; width:26px; height:26px; border-radius:50%; background:var(--bg-soft); color:var(--navy); display:flex; align-items:center; justify-content:center; font-size:18px; font-weight:700; transition:transform .3s var(--ease), background .3s;}
.faq-item.open .faq-icon{background:var(--orange); color:#fff; transform:rotate(45deg);}
.faq-answer{max-height:0; overflow:hidden; transition:max-height .35s var(--ease);}
.faq-answer p{padding:0 22px 20px; color:var(--text-light); font-size:var(--fs-sm);}

/* ===== CTA banner ===== */
.cta-banner{background:linear-gradient(120deg, var(--navy-dark), var(--navy)); padding:72px 0; color:#fff; text-align:center;}
.cta-banner-inner h2{color:#fff; margin-bottom:14px;}
.cta-banner-inner p{color:rgba(255,255,255,.8); max-width:560px; margin:0 auto 30px;}
.cta-banner-buttons{display:flex; justify-content:center; gap:16px; flex-wrap:wrap;}

/* ===== Quote form ===== */
.quote-form{max-width:920px; margin:0 auto; background:#fff; border-radius:var(--radius-lg); padding:40px; box-shadow:var(--shadow); border:1px solid rgba(11,46,89,.06);}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:28px;}
.form-field-wide{grid-column:1 / -1;}
.form-field label{display:block; font-weight:700; margin-bottom:8px; font-size:var(--fs-sm); color:var(--navy);}
.form-field label span{color:var(--orange);}
.form-field input, .form-field select, .form-field textarea{
  width:100%; padding:13px 14px; border:1.5px solid rgba(11,46,89,.14); border-radius:10px; font-size:var(--fs-base); font-family:inherit; color:var(--text); background:#fff;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{outline:none; border-color:var(--orange);}
.form-success{max-width:600px; margin:0 auto; text-align:center; background:#fff; border-radius:var(--radius-lg); padding:48px 32px; box-shadow:var(--shadow);}
.form-success h3{margin:18px 0 10px;}
.form-success p{color:var(--text-light);}
.form-success a{color:var(--orange); font-weight:700;}

/* ===== Contact ===== */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:28px; margin-bottom:36px;}
.contact-card{background:#fff; border-radius:var(--radius-lg); padding:24px; box-shadow:var(--shadow-sm); transition:transform .35s var(--ease), box-shadow .35s var(--ease);}
.contact-card h3{margin-bottom:14px;}
.contact-line{display:flex; align-items:flex-start; gap:8px; color:var(--text-light); font-size:var(--fs-sm); margin-bottom:16px;}
.contact-line svg{flex-shrink:0; margin-top:2px;}
.map-embed{border-radius:12px; overflow:hidden; aspect-ratio:16/9;}
.map-embed iframe{width:100%; height:100%; border:0;}
.contact-info-bar{display:flex; justify-content:center; gap:40px; flex-wrap:wrap;}
.contact-info-item{display:flex; align-items:center; gap:10px; font-weight:700; color:var(--navy); font-size:var(--fs-base);}
.contact-info-item:hover{color:var(--orange);}

/* ===== Footer ===== */
.site-footer{background:var(--navy-dark); color:rgba(255,255,255,.75); padding:64px 0 0; position:relative; overflow:hidden;}
.site-footer::before{
  content:""; position:absolute; top:-200px; left:50%; width:600px; height:600px;
  background:radial-gradient(circle, rgba(245,130,31,.08), transparent 70%);
  transform:translateX(-50%); pointer-events:none;
}
.site-footer .container{position:relative; z-index:1;}
.footer-inner{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:48px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand img{height:42px; margin-bottom:16px; filter:brightness(0) invert(1);}
.footer-brand h4{color:#fff; margin-bottom:10px;}
.footer-brand p{font-size:var(--fs-sm); line-height:1.6;}
.footer-social{display:flex; gap:12px; margin-top:18px;}
.footer-social a{width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center; color:#fff;}
.footer-social a:hover{background:var(--orange);}
.footer-col h4{color:#fff; margin-bottom:16px; font-size:var(--fs-h4);}
.footer-col p{font-size:var(--fs-sm); margin-bottom:10px; line-height:1.6;}
.footer-col a{font-weight:500;}
.footer-col a:hover{color:var(--orange);}
.footer-links{display:flex; flex-direction:column; gap:10px;}
.footer-bottom{text-align:center; font-size:var(--fs-xs); padding:22px 0; color:rgba(255,255,255,.5);}

/* ===== Float LINE button ===== */
.float-call{
  position:fixed; bottom:24px; right:24px; z-index:200;
  width:58px; height:58px; border-radius:50%; background:#06C755;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(6,199,85,.4);
  transition:transform .3s var(--ease);
}
.float-call:hover{transform:scale(1.08);}
.float-call{animation:floatPulse 4s ease-in-out infinite;}
@keyframes floatPulse{0%,80%,100%{box-shadow:0 10px 26px rgba(6,199,85,.4);} 90%{box-shadow:0 10px 34px rgba(6,199,85,.65);}}

/* ===== ผู้ช่วยสบายใจ: Chat widget (ลอยเหนือปุ่ม LINE) ===== */
.chat-fab{
  position:fixed; bottom:94px; right:24px; z-index:201;
  width:58px; height:58px; border-radius:50%; background:var(--navy);
  display:flex; align-items:center; justify-content:center; border:none; cursor:pointer;
  box-shadow:0 10px 26px rgba(11,50,87,.4); font-size:26px;
  transition:transform .3s var(--ease);
}
.chat-fab:hover{transform:scale(1.08);}
.chat-panel{
  position:fixed; bottom:94px; right:24px; z-index:202;
  width:330px; max-width:calc(100vw - 32px); max-height:72vh;
  background:#fff; border-radius:var(--radius-lg); box-shadow:0 20px 50px rgba(11,46,89,.25);
  display:flex; flex-direction:column; overflow:hidden;
}
.chat-panel[hidden]{display:none;}
.chat-head{
  background:var(--navy); color:#fff; padding:16px 18px;
  display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
}
.chat-head-info strong{display:block; font-size:var(--fs-lg); margin-bottom:3px;}
.chat-head-info span{display:block; font-size:var(--fs-xs); color:rgba(255,255,255,.75);}
.chat-close{background:none; border:none; color:#fff; font-size:18px; cursor:pointer; line-height:1; padding:2px 4px;}
.chat-body{padding:16px 18px 4px; overflow-y:auto; max-height:170px;}
.chat-msg{background:var(--bg-soft); border-radius:12px; padding:12px 14px; font-size:var(--fs-sm); color:var(--text); line-height:1.6;}
.chat-msg.bot{margin-bottom:10px;}
.chat-faq{display:flex; flex-direction:column; gap:8px; padding:6px 18px 4px;}
.chat-faq-btn{
  text-align:left; background:#fff; border:1.5px solid var(--bg-soft); border-radius:10px;
  padding:10px 12px; font-size:var(--fs-sm); color:var(--navy); cursor:pointer; font-family:var(--font-th);
  transition:border-color .2s;
}
.chat-faq-btn:hover{border-color:var(--orange);}
.chat-form{display:flex; flex-direction:column; gap:8px; padding:12px 18px 16px; border-top:1px solid var(--bg-soft); margin-top:8px;}
.chat-form input, .chat-form textarea{
  border:1.5px solid var(--bg-soft); border-radius:10px; padding:10px 12px;
  font-size:var(--fs-sm); font-family:var(--font-th); resize:none;
}
.chat-form input:focus, .chat-form textarea:focus{outline:none; border-color:var(--orange);}
.chat-form .btn{width:100%; text-align:center; font-size:var(--fs-sm); padding:11px;}
.chat-success{padding:0 18px 16px; color:#1a7a3d; font-size:var(--fs-sm); font-weight:600;}

/* ===== Scroll reveal ===== */
.reveal{opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.is-visible{opacity:1; transform:translateY(0);}
.reveal-scale{opacity:0; transform:scale(.94); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal-scale.is-visible{opacity:1; transform:scale(1);}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1024px){
  .about-grid, .highlights-grid{grid-template-columns:1fr; gap:36px;}
  .about-image, .highlights-image{order:-1;}
  .service-block{grid-template-columns:1fr; gap:28px;}
  .service-block.reverse{direction:ltr;}
  .service-block-media{order:-1;}
  .benefit-grid-6{grid-template-columns:repeat(2,1fr);}
  .promo-box{flex-direction:column;}
  .promo-img{width:100%; aspect-ratio:16/9;}
  .footer-inner{grid-template-columns:1fr 1fr; gap:36px;}
}

@media (max-width:768px){
  .topbar-inner{overflow-x:auto; gap:16px; white-space:nowrap;}
  .main-nav{
    position:absolute; top:76px; left:0; right:0; background:#fff;
    flex-direction:column; align-items:flex-start; padding:16px 24px; gap:14px;
    box-shadow:0 12px 20px rgba(11,46,89,.1);
    max-height:0; overflow:hidden; opacity:0; pointer-events:none; transition:max-height .3s var(--ease), opacity .3s var(--ease);
  }
  .main-nav.open{max-height:360px; opacity:1; pointer-events:auto;}
  .hamburger{display:flex;}
  .header-actions .btn{padding:11px 20px; font-size:var(--fs-sm);}
  .hero-inner{padding:72px 0 48px;}
  .hero-bg-img{min-height:460px;}
  .hero-cta{flex-direction:column; align-items:stretch;}
  .hero-cta .btn{text-align:center;}
  .grid-3, .benefit-grid-6, .client-grid{grid-template-columns:1fr !important;}
  .calc-box{grid-template-columns:1fr;}
  .calc-results{grid-template-columns:1fr 1fr;}
  .form-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr; text-align:left;}
  .section, .section-dark{padding:72px 0;}
  .section-head{margin-bottom:40px;}
  .promo-section{padding:56px 0;}
  .promo-ribbon{font-size:13px; padding:8px 18px;}
  .cta-banner-buttons{flex-direction:column; align-items:stretch;}
  .cta-banner-buttons .btn{text-align:center;}
  .btn-en{display:block; margin-left:0; margin-top:2px;}
}

@media (max-width:480px){
  .eyebrow{font-size:11px;}
  .eyebrow-en{font-size:11px; letter-spacing:2px;}
  .quote-form{padding:24px 18px;}
  .promo-text{padding:24px 20px;}
  .promo-ribbon{font-size:12px; padding:7px 14px; letter-spacing:.2px;}
  .promo-box{border-width:2px;}
  .float-call{width:50px; height:50px; bottom:16px; right:16px;}
  .chat-fab{width:50px; height:50px; bottom:76px; right:16px; font-size:22px;}
  .chat-panel{bottom:76px; right:16px; width:calc(100vw - 24px);}
}

/* ===== Packages ===== */
.pkg-tabs{display:flex;gap:12px;justify-content:center;margin:0 auto 32px;flex-wrap:wrap}
.pkg-tab{font-family:inherit;font-size:17px;font-weight:700;padding:14px 28px;border-radius:999px;border:2px solid var(--navy);background:#fff;color:var(--navy);cursor:pointer;transition:.25s var(--ease)}
.pkg-tab small{display:block;font-size:12.5px;font-weight:500;opacity:.75}
.pkg-tab.active{background:var(--navy);color:#fff;box-shadow:0 8px 20px rgba(11,50,87,.25)}
.pkg-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;max-width:1100px;margin:0 auto}
.pkg-grid[hidden]{display:none}
.pkg-card{position:relative;background:#fff;border-radius:var(--radius-lg);padding:32px 26px 26px;box-shadow:var(--shadow);border:2px solid transparent;display:flex;flex-direction:column;transition:.3s var(--ease)}
.pkg-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(11,46,89,.14)}
.pkg-best{border-color:var(--orange)}
.pkg-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-size:13px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.pkg-kw{font-family:var(--font-head);font-size:26px;font-weight:800;color:var(--navy);text-align:center}
.pkg-price{text-align:center;font-size:34px;font-weight:800;color:var(--orange);margin:8px 0 18px;line-height:1.1}
.pkg-price small{display:block;font-size:13px;font-weight:500;color:var(--text-light)}
.pkg-price span{display:block;font-size:12.5px;font-weight:500;color:var(--text-light);margin-top:4px}
.pkg-specs{list-style:none;padding:0;margin:0 0 18px;border-top:1px solid #E7ECF2}
.pkg-specs li{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid #E7ECF2;font-size:15px}
.pkg-specs li b{font-weight:600;color:var(--text-light)}
.pkg-save{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:#FFF4E8;border-radius:12px;padding:12px 8px;text-align:center;margin-bottom:20px}
.pkg-save small{display:block;font-size:11.5px;color:var(--text-light)}
.pkg-save b{font-size:15px;color:var(--navy)}
.pkg-btn{margin-top:auto;text-align:center;justify-content:center}
.pkg-include{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:1100px;margin:40px auto 0;background:#fff;border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-sm)}
.pkg-include h4{font-size:18px;color:var(--navy);margin:0 0 10px}
.pkg-note{text-align:center;color:var(--text-light);font-size:13.5px;margin-top:20px}
.pkg-note a{color:var(--orange);font-weight:600}

/* ===== Packages: TECH theme ===== */
#packages{position:relative;overflow:hidden;background:radial-gradient(900px 400px at 15% 0%,rgba(0,200,255,.14),transparent 60%),radial-gradient(800px 400px at 90% 100%,rgba(245,130,31,.16),transparent 60%),linear-gradient(180deg,#06162B,#0B2748);color:#fff}
#packages::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,200,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.07) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse at center,#000 40%,transparent 85%);mask-image:radial-gradient(ellipse at center,#000 40%,transparent 85%);pointer-events:none}
#packages::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,#00C8FF,#F5821F,transparent);background-size:200% 100%;animation:pkgflow 4s linear infinite}
@keyframes pkgflow{to{background-position:-200% 0}}
#packages .container{position:relative;z-index:1}
#packages .section-head h2{color:#fff}
#packages .section-head p{color:rgba(255,255,255,.7)}
#packages .eyebrow-en{color:#00C8FF;font-family:'IBM Plex Mono',monospace;letter-spacing:.2em;text-transform:uppercase}
#packages .section-kicker{color:#FBA336}
.pkg-tab{background:rgba(255,255,255,.06);border:1px solid rgba(0,200,255,.4);color:#cfeaff;backdrop-filter:blur(6px)}
.pkg-tab.active{background:linear-gradient(135deg,#00C8FF,#2E7BFF);border-color:transparent;color:#021428;box-shadow:0 0 24px rgba(0,200,255,.55)}
.pkg-card{background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.03));border:1px solid rgba(0,200,255,.28);backdrop-filter:blur(10px);color:#fff;overflow:hidden}
.pkg-card::before,.pkg-card::after{content:"";position:absolute;width:18px;height:18px;border:2px solid #00C8FF;opacity:.8}
.pkg-card::before{top:8px;left:8px;border-right:0;border-bottom:0}
.pkg-card::after{bottom:8px;right:8px;border-left:0;border-top:0}
.pkg-card:hover{border-color:#00C8FF;box-shadow:0 0 0 1px #00C8FF,0 0 34px rgba(0,200,255,.35);transform:translateY(-8px)}
.pkg-best{border-color:var(--orange);box-shadow:0 0 30px rgba(245,130,31,.35)}
.pkg-best::before,.pkg-best::after{border-color:var(--orange)}
.pkg-kw{color:#fff;font-family:'IBM Plex Mono','Space Grotesk',monospace;letter-spacing:.04em}
.pkg-price{color:#FBA336;text-shadow:0 0 18px rgba(245,130,31,.55);font-family:'Space Grotesk',sans-serif}
.pkg-price small,.pkg-price span{color:rgba(255,255,255,.6)}
.pkg-specs,.pkg-specs li{border-color:rgba(255,255,255,.12)}
.pkg-specs li b{color:rgba(255,255,255,.6)}
.pkg-specs li{font-family:'IBM Plex Mono','Noto Sans Thai',monospace;font-size:14px}
.pkg-save{background:rgba(0,200,255,.08);border:1px solid rgba(0,200,255,.25)}
.pkg-save small{color:rgba(255,255,255,.6)}
.pkg-save b{color:#5EE6FF;font-family:'IBM Plex Mono',monospace;text-shadow:0 0 10px rgba(0,200,255,.6)}
.pkg-badge{background:linear-gradient(135deg,#F5821F,#FBA336);box-shadow:0 0 18px rgba(245,130,31,.7);animation:pkgpulse 2s ease-in-out infinite}
@keyframes pkgpulse{50%{box-shadow:0 0 30px rgba(245,130,31,1)}}
.pkg-card.pkg-in{animation:pkgrise .7s var(--ease) both}
@keyframes pkgrise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.pkg-include{background:rgba(255,255,255,.06);border:1px solid rgba(0,200,255,.22);box-shadow:none;color:#fff}
.pkg-include h4{color:#5EE6FF;font-family:'IBM Plex Mono',monospace}
.pkg-include .check-list li{color:rgba(255,255,255,.88)}
.pkg-note{color:rgba(255,255,255,.55)}
.pkg-note a{color:#5EE6FF}
@media (prefers-reduced-motion:reduce){#packages::after,.pkg-badge,.pkg-card.pkg-in{animation:none}}